Our data shows that May tends to be the cheapest month to fly to Hermosillo from Chicago Midway Airport. Users have commonly found prices around $485 for the month, but tickets can be as low as $261. Due to multiple factors, prepare for potentially higher prices in December.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago Midway Airport to Hermosillo as you normally would.